part_of part of part of develops from attached to multi-tissue structure heart epicardium heart epicardium ZFA:0005057 visceral serous pericardium proper TAO:0005057 visceral serous pericardium of heart EHDAA2:0002202 VHOG:0000119 A region of the serous membrane that forms the innermost layer of the pericardium and the outer surface of the heart. galen:Epicardium EDITOR_NOTE TODO - check links with UBERON:0002425 visceral serous pericardium. develops from proepicardium. WP:Epicardium -- When considered as a part of the pericardium, it is the inner layer, or visceral pericardium, continuous with the serous layer. AAO:0010409 pericardium visceral mesothelium UBERON:0002348 Wikipedia:Epicardium FMA:9461 XAO:0000316 NCIT:C13164 myocardium visceral serous pericardium proepicardium